4 mechanical engineer pe jobs found in Fairfax

At Whitman, Requardt & Associates, LLP, we are "People Focused and Project Driven". We have been in business for more than 110 years and we are known for our quality work and quality employees. This is your chance to join our team - help us to understand today's needs and develop plans to improve the movement of people and goods! The Water/Wastewater Process Mechanical Engineer will be responsible for the evaluation, planning, design, and construction administration of municipal water and wastewater treatment facilities & processes, distribution and collection systems, chemical storage & feed systems, and process mechanical, piping and pumping systems. The ideal candidate will bring strong technical expertise, a collaborative mindset, and a commitment to delivering high-quality engineering solutions. Responsibilities Assist in the planning, design, and analysis of water and wastewater treatment facility infrastructure and associated process mechanical systems...

Hazen and Sawyer is seeking a Senior Principal Engineer for our Fairfax, VA office. Key Responsibilities: Delivering public sector water and wastewater facilities planning and design projects Support projects as a critical part of the design team, a design lead, a task manager, and/or a project manager Prepare facility assessment and design reports, perform design calculations, perform process and/or hydraulic modeling, select and size equipment, prepare design documents and construction documents, support construction phase services both in office and in the field Field work and site visits from planning through construction may require occasional travel Support and mentor junior engineers and will be supported by multiple senior mentors on projects and local and regional office leadership Required Qualifications: Bachelor of Science degree in Civil, Environmental, Chemical, or Mechanical Engineering Strong verbal and written communication skills PE license...

Salary : $87,024.91 - $145,041.94 Annually Location : FAIRFAX (EJ32), VA Job Type: FT Salary W BN Job Number: 26-00546 Department: DPWES Capital Facilities Opening Date: 04/18/2026 Closing Date: 5/15/2026 11:59 PM Eastern Pay Grade: S29 Posting Type: Open to General Public Job Announcement $5,000 Signing Bonus* Seeking the next exciting challenge in your career? Join the award-winning organization of the Building Design and Construction Division (BDCD), Building Construction Branch, in Capital Facilities Fairfax County Government & be a part of this professional organization managing the construction of County government facilities. The Fairfax County Department of Public Works and Environmental Services (DPWES), Capital Facilities (CAP), Building Design and Construction Division (BDCD), Building Construction Branch (BCB), seeks an architect, civil engineer, structural engineer, mechanical engineer or electrical engineer to serve as construction...

Salary : $88,765.46 - $155,339.60 Annually Location : FX. CTY. GOVERNMENT CENTER, 12000 GOVERNMENT CENTER PKWY., FAIRFAX (EJ32), VA Job Type: FT Salary W BN Job Number: 26-01132 Department: Facilities Management Opening Date: 08/01/2026 Closing Date: 9/11/2026 11:59 PM Eastern Pay Grade: S29 Posting Type: Open to General Public Job Announcement $5,000 Signing Bonus *This position includes a signing bonus for new merit county employees. This position serves as a technical expert overseeing a wide range of architectural design and space management activities. Leads and guides design professionals in planning, designing, and delivering interior retrofit projects for commercial buildings, including producing and stamping architectural drawings. Also supervises a team of 2 or more employees. This position works under the principal architect of the department. Provides professional support across more than 230 county-owned and designated leased facilities...